3 years ago

Please no links I just need help with this

Mathematics

1 answer:

PIT_PIT [208]3 years ago

3 0

C i think i hope its right

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A triangle is formed with side lengths of 24 centimeters, 26 centimeters, and 10 centimeters. Is the triangle a right triangle?

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Step-by-step explanation:

676=676

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Which description represents the expression 5 x−95 x−9 ?

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What is the discriminant of 3 x squared minus 10 x = negative 2?

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Answer:

The discriminant of 3 x squared minus 10 x = negative 2 is 76

Explanation:

Given:

$3x^2-10x=-2$

$3x^2-10x+2=0$ ..........(1)

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$D=b^2-4ac$

So from the equation (1)

We have b = -10

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c= 2

Now put all these values of a,b and c in the formula of discriminant to find out the value of D

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D=76

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Sophia and isabella get a reward of 117 dollars ina ratio of 1:8.What fraction of the reward does sophia get?

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Answer:

The amount of reward that Sophia receives is $\$13$

Step-by-step explanation:

Let

x------> amount of reward that Sophia receives

y-----> amount of reward that Isabella receives

we know that

$\frac{x}{y}=\frac{1}{8}$

$x=\frac{1}{8}y$ ------> equation A

$x+y=117$ -----> equation B

Substitute equation A in equation B

$\frac{1}{8}y+y=117$

$\frac{9}{8}y=117$

$y=117*8/9=\$104$

Find the value of x

$x=\frac{1}{8}(104)=\$13$

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3 years ago